71545466
Dec 26, 1947
Dec 20, 1949
HOT TOP COMPOUND, THAT IS TO SAY A COMPOUND FOR USE AS A MORTAR FOR PATCHING AND SEALING JOINTS IN A HOT TOP LINING AND AS A PARTING COMPOUND TO BE APPLIED TO THE SURFACE OF A HOT TOP LINING TO FACILITATE THE STRIPPING OF THE HOT TOP FROM THE INGOT
Chemicals